Kaolin ni amabuye y'agaciro atari ubutare, ni ubwoko bw'ibumba n'ibumba bigizwe ahanini n'amabuye y'agaciro ya Kaolinite.Bitewe nuko byera kandi byoroshye, bizwi kandi nubutaka bwa Baiyun.Yiswe Umudugudu wa Gaoling muri Jingdezhen, Intara ya Jiangxi.

Kaolin yacyo yera ni yera, yoroshye na Mollisol nka, ifite plastike nziza, irwanya umuriro nibindi bintu bifatika na chimique.Ibigize imyunyu ngugu bigizwe ahanini na Kaolinite, halloysite, hydromica, Illite, Montmorillonite, quartz, feldspar nandi mabuye y'agaciro.Kaolin ikoreshwa cyane mugukora impapuro, ububumbyi, nibikoresho byangiritse, bigakurikirwa no gutwikirwa, kuzuza reberi, glaze enamel, nibikoresho bya sima byera.Umubare muto ukoreshwa muri plastiki, irangi, pigment, gusya ibiziga, amakaramu, kwisiga buri munsi, isabune, imiti yica udukoko, imiti, imyenda, peteroli, imiti, ibikoresho byubwubatsi, ingabo zigihugu, nizindi nzego zinganda.

Amabuye y'agaciro ya Kaolin agizwe na Kaolinite, dickite, amabuye y'isaro, halloysite n'andi mabuye y'agaciro ya Kaolinite, kandi imyunyu ngugu nyamukuru ni Kaolinite.

Imiterere ya Crystal chemistry ya Kaolinite ni 2SiO2 ● Al2O3 ● 2H2O, naho imiterere ya chimie ya Theoretical ni 46.54% SiO2, 39.5% Al2O3, 13.96% H2O.Amabuye y'agaciro ya Kaolin ni ubwoko bwa silikate ya 1: 1, kandi kristu igizwe ahanini na silika tetrahedron na alumina Octahedron.Tetrahedron ya silika ihujwe nicyerekezo cyibice bibiri mugusangira inguni ya vertex kugirango igire urwego rwa mpande esheshatu, hamwe na ogisijeni yo mu mpinga idasangiwe na tetrahedron ya silika ireba uruhande rumwe;Ubwoko bwa 1: 1 bugizwe na silicon oxyde tetrahedron na aluminium oxyde ya Octahedron, igabana isonga ya ogisijeni ya silicon oxyde ya tetrahedron.